9 hours.
9 hours.
From midnight (am) to Noon (pm) is 12 hours.
AM is from midnight to noon and PM is from noon to midnight. AM and PM are twelve hours each, adding up to twenty-four hours.
8.5
10.5 hours
7 and a half hours
11 hours and 45 minutes.
11 hours and 45 minutes.
There are 14 hours and 45 minutes between 3:45 pm and 6:30 am.
From midnight (am) to Noon (pm) is 12 hours.
(11+24k) hours where k is an integer.